[Farmall] Synthetic oil in old machines

[Spencer Yost]

I use Blackstone labs for my oil sampling and a fellow there is my source for advice in stuff like this.   He said synthetic shines in the areas of today's engines:   Tighter tolerance, higher oil pressures, temperatures, rpms etc that require the sheer resistance of synthetics.  This is especially true with some modern diesels that use engine oil to actuate the fuel injector and synthetics can improve some minor drivability issues(stiction mainly).  But he thinks it's a waste of money in older engines like ours where none of this is true.   Issues like wear debris, fuel dilution, water(condensation from using big honking blocks made from iron) and sludge in our engines would still require frequent oil changes, making synthetic an expensive option.  But if you insist, his opinion is as long as you are using detergent oils now you can switch.   

I know squat about any of this but can pass along an opinion from an expert pretty well.  Hope this helps,

Spencer

Sent from my iPhone

> On Sep 1, 2014, at 21:28, "E. John Puckett" <ejpuckett at centurytel.net> wrote:
> 
> I have never tried it myself, but if it is on a new rebuild including 
> all new seals in the engine it should be ok.  However if the seals , 
> main and crank bearings, cam bearings, etc. are getting old or worn, you 
> will have problems since the synthetic seems to be thinner.  That info 
> is form discussion on some of the antiaue tractro forums, not my experience.
> 
>> On 9/1/2014 8:46 AM, Richard BROWN wrote:
>>    I can't find an authority who knows much about synthetic oil in old engines.  I have a 48 Farmall and 53 Chevy truck, and wondering if the new oil would be good for those engines.  Appreciate hearing if anyone knows.  Richard Brown, Boyne City, MI
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